안녕하세요..
제가 이번에 파일복사시에...
progress bar를 보여줄려 하는데...
아래와 같이 짰습니다..
근데.. 이상하게도.. 파일은 복사하고 있는데...
프로그래스바가 움직이질 않네요...
제가 뭘 잘못했나요?
부탁드립니다.


<<<<<<<<<<<<<<<<<<<<<< thread.cpp >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

// 쓰레드 입니다.

void __fastcall EdifFileProgressThread::Update()
{
        IproveGenNetList->ProgressBar->Position = (TProgressRange)((total_read_size/total_file_size)*100);
        IproveGenNetList->ProgressBar->Update();
}

void __fastcall EdifFileProgressThread::Execute()
{
        char ibuilder_dir[MAX_SIZE];

        // open한 ipf파일위치에 ibuilder 디렉토리가 있는 검사후 없으면 만듬
        sprintf( ibuilder_dir, "%sibuilder", ipfdir);
        if (!DirectoryExists(ibuilder_dir))
                ForceDirectories(ibuilder_dir);

        IproveGenNetList->ProgressBar->Position = 0;

        // edif 파일들의 총 싸이즈를 알아냄(bytes)
        vector<import_file_info>::iterator data;
        for( data = ImportFilesInfo.begin(); data != ImportFilesInfo.end(); data++ ) {
                int handle;
                handle = open(data->EdifFile, O_RDONLY);
                total_file_size  = total_file_size + filelength(handle);
        }

        for( data = ImportFilesInfo.begin(); data != ImportFilesInfo.end(); data++ ) {
                char dest_file[MAX_SIZE];
                sprintf( dest_file, "%s\\%s", ibuilder_dir, ExtractFileName(data->EdifFile) );

                int in, out, bytes = 0;
                char block[1024];

                in = open(data->EdifFile, O_RDONLY);
                out = open(dest_file, O_WRONLY|O_CREAT,S_IREAD|S_IWRITE);
                while((bytes=read(in,block,sizeof(block)))>0) {
                        char temp[MAX_SIZE];
                        total_read_size+=bytes;
                        write(out,block,bytes);
                        Synchronize(Update);
                }
        }
}



<<<<<<<<<<<<<<<<<<<<<<<<<<<<< main.cpp >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

// 여기서 쓰레드를 호출합니다.
void __fastcall TIproveGenNetList::FileCopy(TObject *sender)
{
        EdifCopyProgress = new EdifFileProgressThread(NULL);
        EdifCopyProgress->Priority = tpTimeCritical;
        EdifCopyProgress->Resume();
}